Add flag for sorting in Web feed.

Bug: 1248338, b/196467487
Change-Id: I5b4310be2c1b537910e3d6f0d9f2ab7896bd41d1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3153616
Reviewed-by: Peter Williamson <[email protected]>
Commit-Queue: Cathy Li <[email protected]>
Cr-Commit-Position: refs/heads/main@{#920349}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 8cc5d416..74e84ffd 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -3594,6 +3594,11 @@
 const char kWebFeedDescription[] =
     "Allows users to keep up with and consume web content.";
 
+const char kWebFeedSortName[] = "Web Feed Sort";
+const char kWebFeedSortDescription[] =
+    "Allows users to sort their web content in the web feed. "
+    "Only works if Web Feed is also enabled.";
+
 const char kWebNotesStylizeName[] = "WebNotes Stylize";
 const char kWebNotesStylizeDescription[] =
     "Allows users to create and share stylized webnotes.";